AI agents call sports.nhl-scores to retrieve information from Mcp without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves read-only sports score data from the NHL API. It queries and returns game information without any side effects. Despite the pay-per-call nature of the server, the tool itself only reads/fetches data. Severity is low as misuse would only result in unnecessary API calls incurring minor USDC charges.
From the tool's definition NHL scores and games for a date... Each game: id, game state (FUT/LIVE/FINAL), start time, away and home team + score. Defaults to today.
Attacks that exploit this kind of access
NHL scores and games for a date (official NHL api-web, free/keyless). Each game: id, game state (FUT/LIVE/FINAL), start time, away and home team + score. Defaults to today. It is categorised as a Read tool in the Mcp MCP Server, which means it retrieves data without modifying state.
Register the MCP server in PolicyLayer and add a rule for sports.nhl-scores: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Mcp. Nothing to install.
sports.nhl-scores is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the sports.nhl-scores rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for sports.nhl-scores. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
sports.nhl-scores is provided by the MCP server (@2sio/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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